Question

calcule ;
a)1-3/4
b)3/4+1/4-1/2

Answer 1

a) 1-3/4 = (4-3)/4 = 1/4 = 0,25
b) 3/4+1/4-1/2 = (3+1-2)/4 = 2/4 = 1/2 = 0,5

Answer 2

3/4 = 0,75
a) 1 - 0,75 = 0,25

b) 3/4 + 1/4 -1/2                     1/2 = 2/4
     4/4 - 2/4 
        2/4 = 1/2 = 0,5       ok